diff --git a/package.json b/package.json
index 1823128f20579c0c70acfb394d84d5f2997aafb9..663f5b611870e762cf355b1d4810765f9c89b318 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,7 @@
 {
   "name": "voy-search",
+  "type": "module",
+  "main": "voy_search.js",
   "collaborators": [
     "Daw-Chih Liou <dawochih.liou@gmail.com>"
   ],
